Customized version of http://www.thingiverse.com/thing:1626726

Created with Customizer! http://www.thingiverse.com/apps/customizer/run?thing_id=1626726

Using the following options:

peg2peg = 15
morepegs = N
subtractpercent = -.6
width = 55
subtractangle = N
depth = 25
pegFitpercentage = 3
pegs = 1
rows = 0
height = 20
offset = 0
pegDiameter = 4.7
thickness = 1.6
pegLength = 4
removepegs = N
parttype = R
solid = N
base = N